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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 24 |
| 1966 | 67 |
| 1967 | 116 |
| 1968 | 134 |
| 1969 | 104 |
| 1970 | 128 |
| 1971 | 109 |
| 1972 | 111 |
| 1973 | 116 |
| 1974 | 115 |
| 1975 | 119 |
| 1976 | 95 |
| 1977 | 110 |
| 1978 | 106 |
| 1979 | 115 |
| 1980 | 114 |
| 1981 | 126 |
| 1982 | 131 |
| 1983 | 114 |
| 1984 | 178 |
| 1985 | 164 |
| 1986 | 160 |
| 1987 | 156 |
| 1988 | 168 |
| 1989 | 199 |
| 1990 | 221 |
| 1991 | 233 |
| 1992 | 184 |
| 1993 | 177 |
| 1994 | 205 |
| 1995 | 215 |
| 1996 | 220 |
| 1997 | 244 |
| 1998 | 275 |
| 1999 | 307 |
| 2000 | 323 |
| 2001 | 306 |
| 2002 | 382 |
| 2003 | 425 |
| 2004 | 415 |
| 2005 | 502 |
| 2006 | 559 |
| 2007 | 649 |
| 2008 | 640 |
| 2009 | 772 |
| 2010 | 835 |
| 2011 | 948 |
| 2012 | 1066 |
| 2013 | 1058 |
| 2014 | 1145 |
| 2015 | 1219 |
| 2016 | 1182 |
| 2017 | 1265 |
| 2018 | 1393 |
| 2019 | 1461 |
| 2020 | 1289 |
| 2021 | 911 |
| 2022 | 128 |
| 2023 | 56 |
| 2024 | 398 |