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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 5 |
| 1967 | 9 |
| 1968 | 7 |
| 1969 | 11 |
| 1970 | 15 |
| 1971 | 10 |
| 1972 | 18 |
| 1973 | 17 |
| 1974 | 14 |
| 1975 | 17 |
| 1976 | 18 |
| 1977 | 12 |
| 1978 | 18 |
| 1979 | 16 |
| 1980 | 12 |
| 1981 | 19 |
| 1982 | 15 |
| 1983 | 16 |
| 1984 | 25 |
| 1985 | 28 |
| 1986 | 26 |
| 1987 | 41 |
| 1988 | 43 |
| 1989 | 66 |
| 1990 | 88 |
| 1991 | 83 |
| 1992 | 137 |
| 1993 | 194 |
| 1994 | 220 |
| 1995 | 235 |
| 1996 | 276 |
| 1997 | 307 |
| 1998 | 330 |
| 1999 | 358 |
| 2000 | 400 |
| 2001 | 440 |
| 2002 | 402 |
| 2003 | 447 |
| 2004 | 474 |
| 2005 | 529 |
| 2006 | 594 |
| 2007 | 550 |
| 2008 | 578 |
| 2009 | 633 |
| 2010 | 686 |
| 2011 | 792 |
| 2012 | 899 |
| 2013 | 934 |
| 2014 | 1026 |
| 2015 | 1131 |
| 2016 | 1162 |
| 2017 | 1089 |
| 2018 | 1055 |
| 2019 | 1157 |
| 2020 | 1291 |
| 2021 | 1204 |
| 2022 | 1181 |
| 2023 | 1089 |
| 2024 | 314 |