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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 25 |
| 1973 | 65 |
| 1974 | 105 |
| 1975 | 65 |
| 1976 | 76 |
| 1977 | 101 |
| 1978 | 63 |
| 1979 | 74 |
| 1980 | 82 |
| 1981 | 53 |
| 1982 | 78 |
| 1983 | 92 |
| 1984 | 71 |
| 1985 | 54 |
| 1986 | 44 |
| 1987 | 39 |
| 1988 | 43 |
| 1989 | 39 |
| 1990 | 43 |
| 1991 | 33 |
| 1992 | 22 |
| 1993 | 15 |
| 1994 | 8 |
| 1995 | 11 |
| 1996 | 11 |
| 1997 | 21 |
| 1998 | 21 |
| 1999 | 41 |
| 2000 | 43 |
| 2001 | 70 |
| 2002 | 101 |
| 2003 | 110 |
| 2004 | 247 |
| 2005 | 268 |
| 2006 | 276 |
| 2007 | 342 |
| 2008 | 345 |
| 2009 | 307 |
| 2010 | 337 |
| 2011 | 287 |
| 2012 | 224 |
| 2013 | 275 |
| 2014 | 324 |
| 2015 | 306 |
| 2016 | 323 |
| 2017 | 373 |
| 2018 | 367 |
| 2019 | 326 |
| 2020 | 276 |
| 2021 | 300 |
| 2022 | 297 |
| 2023 | 191 |
| 2024 | 258 |
| 2025 | 232 |
| 2026 | 27 |