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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1954 | 1 |
| 1956 | 11 |
| 1957 | 11 |
| 1958 | 6 |
| 1959 | 7 |
| 1960 | 8 |
| 1961 | 10 |
| 1962 | 7 |
| 1964 | 6 |
| 1965 | 21 |
| 1966 | 59 |
| 1967 | 64 |
| 1968 | 72 |
| 1969 | 77 |
| 1970 | 78 |
| 1971 | 93 |
| 1972 | 77 |
| 1973 | 78 |
| 1974 | 95 |
| 1975 | 111 |
| 1976 | 90 |
| 1977 | 87 |
| 1978 | 77 |
| 1979 | 100 |
| 1980 | 124 |
| 1981 | 95 |
| 1982 | 106 |
| 1983 | 107 |
| 1984 | 120 |
| 1985 | 127 |
| 1986 | 123 |
| 1987 | 135 |
| 1988 | 129 |
| 1989 | 129 |
| 1990 | 176 |
| 1991 | 148 |
| 1992 | 155 |
| 1993 | 184 |
| 1994 | 145 |
| 1995 | 167 |
| 1996 | 135 |
| 1997 | 179 |
| 1998 | 176 |
| 1999 | 180 |
| 2000 | 188 |
| 2001 | 176 |
| 2002 | 199 |
| 2003 | 237 |
| 2004 | 202 |
| 2005 | 250 |
| 2006 | 285 |
| 2007 | 317 |
| 2008 | 303 |
| 2009 | 265 |
| 2010 | 331 |
| 2011 | 344 |
| 2012 | 279 |
| 2013 | 339 |
| 2014 | 328 |
| 2015 | 282 |
| 2016 | 237 |
| 2017 | 254 |
| 2018 | 229 |
| 2019 | 239 |
| 2020 | 282 |
| 2021 | 281 |
| 2022 | 266 |
| 2023 | 235 |
| 2024 | 66 |