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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1954 | 1 |
| 1958 | 6 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 7 |
| 1962 | 3 |
| 1963 | 5 |
| 1964 | 11 |
| 1965 | 7 |
| 1966 | 4 |
| 1967 | 29 |
| 1968 | 189 |
| 1969 | 538 |
| 1970 | 554 |
| 1971 | 640 |
| 1972 | 363 |
| 1973 | 209 |
| 1974 | 227 |
| 1975 | 208 |
| 1976 | 139 |
| 1977 | 153 |
| 1978 | 112 |
| 1979 | 68 |
| 1980 | 47 |
| 1981 | 58 |
| 1982 | 44 |
| 1983 | 47 |
| 1984 | 56 |
| 1985 | 56 |
| 1986 | 40 |
| 1987 | 55 |
| 1988 | 60 |
| 1989 | 74 |
| 1990 | 89 |
| 1991 | 130 |
| 1992 | 65 |
| 1993 | 107 |
| 1994 | 99 |
| 1995 | 81 |
| 1996 | 87 |
| 1997 | 69 |
| 1998 | 62 |
| 1999 | 55 |
| 2000 | 71 |
| 2001 | 167 |
| 2002 | 106 |
| 2003 | 112 |
| 2004 | 112 |
| 2005 | 114 |
| 2006 | 67 |
| 2007 | 95 |
| 2008 | 97 |
| 2009 | 131 |
| 2010 | 154 |
| 2011 | 171 |
| 2012 | 205 |
| 2013 | 153 |
| 2014 | 153 |
| 2015 | 166 |
| 2016 | 156 |
| 2017 | 178 |
| 2018 | 129 |
| 2019 | 118 |
| 2020 | 94 |
| 2021 | 110 |
| 2022 | 31 |
| 2023 | 14 |
| 2024 | 8 |