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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 2 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 2 |
| 1964 | 1 |
| 1965 | 6 |
| 1966 | 17 |
| 1967 | 30 |
| 1968 | 13 |
| 1969 | 16 |
| 1970 | 21 |
| 1971 | 21 |
| 1972 | 18 |
| 1973 | 27 |
| 1974 | 24 |
| 1975 | 10 |
| 1976 | 21 |
| 1977 | 30 |
| 1978 | 37 |
| 1979 | 55 |
| 1980 | 69 |
| 1981 | 60 |
| 1982 | 46 |
| 1983 | 49 |
| 1984 | 46 |
| 1985 | 66 |
| 1986 | 38 |
| 1987 | 50 |
| 1988 | 46 |
| 1989 | 51 |
| 1990 | 51 |
| 1991 | 57 |
| 1992 | 64 |
| 1993 | 64 |
| 1994 | 81 |
| 1995 | 69 |
| 1996 | 73 |
| 1997 | 62 |
| 1998 | 93 |
| 1999 | 100 |
| 2000 | 94 |
| 2001 | 85 |
| 2002 | 125 |
| 2003 | 137 |
| 2004 | 97 |
| 2005 | 136 |
| 2006 | 153 |
| 2007 | 135 |
| 2008 | 157 |
| 2009 | 161 |
| 2010 | 197 |
| 2011 | 213 |
| 2012 | 240 |
| 2013 | 256 |
| 2014 | 259 |
| 2015 | 220 |
| 2016 | 244 |
| 2017 | 257 |
| 2018 | 251 |
| 2019 | 270 |
| 2020 | 356 |
| 2021 | 365 |
| 2022 | 395 |
| 2023 | 405 |
| 2024 | 111 |