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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 3 |
| 1966 | 15 |
| 1967 | 31 |
| 1968 | 17 |
| 1969 | 25 |
| 1970 | 8 |
| 1971 | 26 |
| 1972 | 26 |
| 1973 | 42 |
| 1974 | 39 |
| 1975 | 46 |
| 1976 | 53 |
| 1977 | 51 |
| 1978 | 47 |
| 1979 | 56 |
| 1980 | 94 |
| 1981 | 80 |
| 1982 | 77 |
| 1983 | 89 |
| 1984 | 89 |
| 1985 | 113 |
| 1986 | 127 |
| 1987 | 155 |
| 1988 | 157 |
| 1989 | 148 |
| 1990 | 165 |
| 1991 | 200 |
| 1992 | 256 |
| 1993 | 276 |
| 1994 | 348 |
| 1995 | 306 |
| 1996 | 360 |
| 1997 | 461 |
| 1998 | 431 |
| 1999 | 394 |
| 2000 | 504 |
| 2001 | 477 |
| 2002 | 551 |
| 2003 | 634 |
| 2004 | 733 |
| 2005 | 761 |
| 2006 | 802 |
| 2007 | 909 |
| 2008 | 1027 |
| 2009 | 987 |
| 2010 | 1007 |
| 2011 | 1128 |
| 2012 | 1279 |
| 2013 | 1363 |
| 2014 | 1580 |
| 2015 | 1516 |
| 2016 | 1356 |
| 2017 | 1271 |
| 2018 | 1189 |
| 2019 | 1323 |
| 2020 | 1200 |
| 2021 | 1353 |
| 2022 | 2396 |
| 2023 | 2258 |
| 2024 | 1904 |