| Year | Events |
|---|---|
| 2024 | 680 |
| 2023 | 730 |
| 2022 | 532 |
| 2021 | 32 |
| 2020 | 1 |
| 2018 | 1 |
| 2016 | 8 |
| 2015 | 2 |
| 2014 | 1 |
| 2013 | 2 |
| 2012 | 1 |
| 2011 | 4 |
| 2010 | 2 |
| 2009 | 2 |
| 2007 | 3 |
| 2004 | 1 |
| 2003 | 3 |
| 2000 | 1 |
| 1999 | 1 |
| 1995 | 3 |
| 1994 | 2 |
| 1993 | 2 |
| 1992 | 1 |
| 1990 | 2 |
| 1989 | 1 |
| 1988 | 1 |
| 1987 | 1 |
| 1985 | 1 |
| 1984 | 1 |
| 1977 | 1 |
| 1976 | 1 |
| 1974 | 1 |
| 1968 | 1 |
| 1942 | 2 |
| 1934 | 1 |
| 1931 | 1 |
| 1929 | 2 |
| 1888 | 1 |
| 1868 | 1 |
| 1855 | 1 |
| 1848 | 1 |
Total number of events include retracted & outside of network interest
