- 1945 to 19491,205
- 1950 to 19593,484
- 1960 to 19693,724
- 1970 to 19793,771
- 1980 to 19893,772
- 1990 to 19993,788
- 2000 to 2009738
- 2010 to 2019998
- 2020 to 2022162
- 17-July-2025: Due to scheduled maintenance today, access to DDR files may be interrupted for a brief period.