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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 33 |
| 1970 | 32 |
| 1971 | 32 |
| 1972 | 35 |
| 1973 | 41 |
| 1974 | 39 |
| 1975 | 39 |
| 1976 | 40 |
| 1977 | 47 |
| 1978 | 61 |
| 1979 | 66 |
| 1980 | 60 |
| 1981 | 62 |
| 1982 | 53 |
| 1983 | 46 |
| 1984 | 55 |
| 1985 | 45 |
| 1986 | 51 |
| 1987 | 57 |
| 1988 | 53 |
| 1989 | 60 |
| 1990 | 55 |
| 1991 | 60 |
| 1992 | 50 |
| 1993 | 55 |
| 1994 | 53 |
| 1995 | 59 |
| 1996 | 53 |
| 1997 | 54 |
| 1998 | 59 |
| 1999 | 50 |
| 2000 | 52 |
| 2001 | 69 |
| 2002 | 76 |
| 2003 | 79 |
| 2004 | 90 |
| 2005 | 99 |
| 2006 | 143 |
| 2007 | 205 |
| 2008 | 253 |
| 2009 | 258 |
| 2010 | 225 |
| 2011 | 277 |
| 2012 | 324 |
| 2013 | 359 |
| 2014 | 319 |
| 2015 | 394 |
| 2016 | 344 |
| 2017 | 388 |
| 2018 | 422 |
| 2019 | 405 |
| 2020 | 396 |
| 2021 | 334 |
| 2022 | 274 |
| 2023 | 254 |
| 2024 | 294 |
| 2025 | 250 |
| 2026 | 193 |