Question mark instead of nick in statistics

Question

In one statistic i ran the top finder appeared with a question mark, no nick. Does anyone have an idea of why this happens? Is this someone who has hidden their statistics?

Comments

please, post the link to the statistics including the query arguments you used.

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http://project-gc.com/Statistics/TopNumCountries?profile_country%5B%5D=Afghanistan&profile_country%5B%5D=Aland+Islands&profile_country%5B%5D=Albania&profile_country%5B%5D=Algeria&profile_country%5B%5D=American+Samoa&profile_country%5B%5D=Andorra&profile_country%5B%5D=Angola&profile_country%5B%5D=Anguilla&profile_country%5B%5D=Antarctica&profile_country%5B%5D=Antigua+and+Barbuda&profile_country%5B%5D=Argentina&profile_country%5B%5D=Armenia&profile_country%5B%5D=Aruba&profile_country%5B%5D=Australia&profile_country%5B%5D=Austria&profile_country%5B%5D=Azerbaijan&profile_country%5B%5D=Bahamas&profile_country%5B%5D=Bahrain&profile_country%5B%5D=Bangladesh&profile_country%5B%5D=Barbados&profile_country%5B%5D=Belarus&profile_country%5B%5D=Belgium&profile_country%5B%5D=Belize&profile_country%5B%5D=Benin&profile_country%5B%5D=Bermuda&profile_country%5B%5D=Bhutan&profile_country%5B%5D=Bolivia&profile_country%5B%5D=Bonaire&profile_country%5B%5D=Bosnia+and+Herzegovina&profile_country%5B%5D=Botswana&profile_country%5B%5D=Brazil&profile_country%5B%5D=British+Indian+Ocean+Territories&profile_country%5B%5D=British+Virgin+Islands&profile_country%5B%5D=Brunei&profile_country%5B%5D=Bulgaria&profile_country%5B%5D=Burkina+Faso&profile_country%5B%5D=Cambodia&profile_country%5B%5D=Canada&profile_country%5B%5D=Cape+Verde&profile_country%5B%5D=Cayman+Islands&profile_country%5B%5D=Chad&profile_country%5B%5D=Chile&profile_country%5B%5D=China&profile_country%5B%5D=Christmas+Island&profile_country%5B%5D=Colombia&profile_country%5B%5D=Comoros&profile_country%5B%5D=Congo&profile_country%5B%5D=Cook+Islands&profile_country%5B%5D=Costa+Rica&profile_country%5B%5D=Croatia&profile_country%5B%5D=Cuba&profile_country%5B%5D=Curacao&profile_country%5B%5D=Cyprus&profile_country%5B%5D=Czech+Republic&profile_country%5B%5D=Democratic+Republic+of+the+Congo&profile_country%5B%5D=Denmark&profile_country%5B%5D=Djibouti&profile_country%5B%5D=Dominica&profile_country%5B%5D=Dominican+Republic&profile_country%5B%5D=East+Timor&profile_country%5B%5D=Ecuador&profile_country%5B%5D=Egypt&profile_country%5B%5D=El+Salvador&profile_country%5B%5D=Equatorial+Guinea&profile_country%5B%5D=Estonia&profile_country%5B%5D=Ethiopia&profile_country%5B%5D=Falkland+Islands&profile_country%5B%5D=Faroe+Islands&profile_country%5B%5D=Fiji&profile_country%5B%5D=Finland&profile_country%5B%5D=France&profile_country%5B%5D=French+Guiana&profile_country%5B%5D=French+Polynesia&profile_country%5B%5D=Gabon&profile_country%5B%5D=Gambia&profile_country%5B%5D=Georgia&profile_country%5B%5D=Germany&profile_country%5B%5D=Ghana&profile_country%5B%5D=Gibraltar&profile_country%5B%5D=Greece&profile_country%5B%5D=Greenland&profile_country%5B%5D=Grenada&profile_country%5B%5D=Guadeloupe&profile_country%5B%5D=Guam&profile_country%5B%5D=Guatemala&profile_country%5B%5D=Guernsey&profile_country%5B%5D=Guinea-Bissau&profile_country%5B%5D=Guyana&profile_country%5B%5D=Haiti&profile_country%5B%5D=Honduras&profile_country%5B%5D=Hong+Kong&profile_country%5B%5D=Hungary&profile_country%5B%5D=Iceland&profile_country%5B%5D=India&profile_country%5B%5D=Indonesia&profile_country%5B%5D=Iran&profile_country%5B%5D=Iraq&profile_country%5B%5D=Ireland&profile_country%5B%5D=Isle+of+Man&profile_country%5B%5D=Israel&profile_country%5B%5D=Italy&profile_country%5B%5D=Ivory+Coast&profile_country%5B%5D=Jamaica&profile_country%5B%5D=Japan&profile_country%5B%5D=Jersey&profile_country%5B%5D=Jordan&profile_country%5B%5D=Kazakhstan&profile_country%5B%5D=Kenya&profile_country%5B%5D=Kuwait&profile_country%5B%5D=Kyrgyzstan&profile_country%5B%5D=Laos&profile_country%5B%5D=Latvia&profile_country%5B%5D=Lebanon&profile_country%5B%5D=Lesotho&profile_country%5B%5D=Liberia&profile_country%5B%5D=Libya&profile_country%5B%5D=Liechtenstein&profile_country%5B%5D=Lithuania&profile_country%5B%5D=Luxembourg&profile_country%5B%5D=Macau&profile_country%5B%5D=Macedonia&profile_country%5B%5D=Madagascar&profile_country%5B%5D=Malawi&profile_country%5B%5D=Malaysia&profile_country%5B%5D=Maldives&profile_country%5B%5D=Mali&profile_country%5B%5D=Malta&profile_country%5B%5D=Marshall+Islands&profile_country%5B%5D=Martinique&profile_country%5B%5D=Mauritania&profile_country%5B%5D=Mauritius&profile_country%5B%5D=Mayotte&profile_country%5B%5D=Mexico&profile_country%5B%5D=Micronesia&profile_country%5B%5D=Moldova&profile_country%5B%5D=Monaco&profile_country%5B%5D=Mongolia&profile_country%5B%5D=Montenegro&profile_country%5B%5D=Montserrat&profile_country%5B%5D=Morocco&profile_country%5B%5D=Mozambique&profile_country%5B%5D=Myanmar&profile_country%5B%5D=Namibia&profile_country%5B%5D=Nepal&profile_country%5B%5D=Netherlands&profile_country%5B%5D=Netherlands+Antilles&profile_country%5B%5D=New+Caledonia&profile_country%5B%5D=New+Zealand&profile_country%5B%5D=Nicaragua&profile_country%5B%5D=Niger&profile_country%5B%5D=Nigeria&profile_country%5B%5D=Niue&profile_country%5B%5D=Norfolk+Island&profile_country%5B%5D=North+Korea&profile_country%5B%5D=Northern+Mariana+Islands&profile_country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Answer 1

When you hide your statistics, that only applies to the Profile Statistics page. The cacher with the hidden statistics will still appear in top lists.

It is also possible to entirely opt out of Project-GC. In that case, the user's name is removed from all pages and replaced with a question mark like this, and this user won't be able to use Project-GC.