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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 5 |
| 1970 | 2 |
| 1972 | 3 |
| 1975 | 2 |
| 1976 | 5 |
| 1977 | 33 |
| 1978 | 85 |
| 1979 | 113 |
| 1980 | 115 |
| 1981 | 107 |
| 1982 | 131 |
| 1983 | 136 |
| 1984 | 115 |
| 1985 | 173 |
| 1986 | 136 |
| 1987 | 161 |
| 1988 | 258 |
| 1989 | 352 |
| 1990 | 352 |
| 1991 | 380 |
| 1992 | 438 |
| 1993 | 541 |
| 1994 | 561 |
| 1995 | 593 |
| 1996 | 681 |
| 1997 | 764 |
| 1998 | 871 |
| 1999 | 994 |
| 2000 | 1038 |
| 2001 | 997 |
| 2002 | 1100 |
| 2003 | 1335 |
| 2004 | 1495 |
| 2005 | 1845 |
| 2006 | 2077 |
| 2007 | 2712 |
| 2008 | 2940 |
| 2009 | 2925 |
| 2010 | 3168 |
| 2011 | 3940 |
| 2012 | 4215 |
| 2013 | 4609 |
| 2014 | 4865 |
| 2015 | 4807 |
| 2016 | 4437 |
| 2017 | 4956 |
| 2018 | 5341 |
| 2019 | 5485 |
| 2020 | 4449 |
| 2021 | 2864 |
| 2022 | 395 |
| 2023 | 241 |
| 2024 | 2948 |
| 2025 | 2880 |