Ok i had some time ;)

here is the top 10% in all positive backgammon variants (5 types)
the rating in nackgammon seems to be the biggest problem as quite some top players are in the top 10% of the other 4 variants, but not in the top 28 of nackgammon :)

Name       Back      Nack      Race      Crowded   Hyper     Average
alanback   2371   6  2041   3  2071   3  2049   5  2271   4  2161   4
Marfitalu  2274  24  1987   7  2015   6  1964  12  2183  28  2085  15
arpa       2238  46  2028   4  1981  10  2128   1  2190  24  2113  17
Hrqls      2280  18  1970  12  1970  14  2024   6  2163  46  2081  19
incognito  2214  75  1983   8  1976  13  1968  11  2196  20  2067  25
basplund   2205  81  2017   6  2010   7  2004   7  2153  59  2078  32

total           989       284       286	      242       604       481
top 10%    2188  99  1913  28  1925  29  1901  24  2153  60  2016  48