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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 14 |
| 1964 | 12 |
| 1965 | 13 |
| 1966 | 15 |
| 1967 | 11 |
| 1968 | 23 |
| 1969 | 24 |
| 1970 | 21 |
| 1971 | 9 |
| 1972 | 7 |
| 1973 | 11 |
| 1974 | 13 |
| 1975 | 16 |
| 1976 | 19 |
| 1977 | 19 |
| 1978 | 20 |
| 1979 | 20 |
| 1980 | 19 |
| 1981 | 19 |
| 1982 | 22 |
| 1983 | 18 |
| 1984 | 15 |
| 1985 | 24 |
| 1986 | 40 |
| 1987 | 48 |
| 1988 | 51 |
| 1989 | 51 |
| 1990 | 47 |
| 1991 | 54 |
| 1992 | 50 |
| 1993 | 48 |
| 1994 | 57 |
| 1995 | 64 |
| 1996 | 55 |
| 1997 | 62 |
| 1998 | 86 |
| 1999 | 98 |
| 2000 | 124 |
| 2001 | 104 |
| 2002 | 121 |
| 2003 | 177 |
| 2004 | 200 |
| 2005 | 136 |
| 2006 | 132 |
| 2007 | 162 |
| 2008 | 157 |
| 2009 | 171 |
| 2010 | 164 |
| 2011 | 160 |
| 2012 | 179 |
| 2013 | 232 |
| 2014 | 243 |
| 2015 | 243 |
| 2016 | 229 |
| 2017 | 187 |
| 2018 | 172 |
| 2019 | 167 |
| 2020 | 150 |
| 2021 | 148 |
| 2022 | 155 |
| 2023 | 105 |
| 2024 | 29 |