Welcome, Again, to the Nostradamus Server!

I am impressed! Your guess that my number begins with 505193519 was exactly right!
What do you guess are the next two digits of my number?
50519351900
50519351901
50519351902
50519351903
50519351904
50519351905
50519351906
50519351907
50519351908
50519351909
50519351910
50519351911
50519351912
50519351913
50519351914
50519351915
50519351916
50519351917
50519351918
50519351919
50519351920
50519351921
50519351922
50519351923
50519351924
50519351925
50519351926
50519351927
50519351928
50519351929
50519351930
50519351931
50519351932
50519351933
50519351934
50519351935
50519351936
50519351937
50519351938
50519351939
50519351940
50519351941
50519351942
50519351943
50519351944
50519351945
50519351946
50519351947
50519351948
50519351949
50519351950
50519351951
50519351952
50519351953
50519351954
50519351955
50519351956
50519351957
50519351958
50519351959
50519351960
50519351961
50519351962
50519351963
50519351964
50519351965
50519351966
50519351967
50519351968
50519351969
50519351970
50519351971
50519351972
50519351973
50519351974
50519351975
50519351976
50519351977
50519351978
50519351979
50519351980
50519351981
50519351982
50519351983
50519351984
50519351985
50519351986
50519351987
50519351988
50519351989
50519351990
50519351991
50519351992
50519351993
50519351994
50519351995
50519351996
50519351997
50519351998
50519351999