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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 2 |
| 1954 | 2 |
| 1955 | 6 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 6 |
| 1959 | 2 |
| 1960 | 6 |
| 1961 | 9 |
| 1962 | 7 |
| 1963 | 9 |
| 1964 | 12 |
| 1965 | 16 |
| 1966 | 23 |
| 1967 | 22 |
| 1968 | 17 |
| 1969 | 13 |
| 1970 | 15 |
| 1971 | 10 |
| 1972 | 12 |
| 1973 | 6 |
| 1974 | 12 |
| 1975 | 12 |
| 1976 | 21 |
| 1977 | 13 |
| 1978 | 6 |
| 1979 | 29 |
| 1980 | 20 |
| 1981 | 28 |
| 1982 | 20 |
| 1983 | 39 |
| 1984 | 29 |
| 1985 | 47 |
| 1986 | 41 |
| 1987 | 35 |
| 1988 | 50 |
| 1989 | 49 |
| 1990 | 66 |
| 1991 | 50 |
| 1992 | 81 |
| 1993 | 56 |
| 1994 | 66 |
| 1995 | 71 |
| 1996 | 68 |
| 1997 | 78 |
| 1998 | 98 |
| 1999 | 101 |
| 2000 | 111 |
| 2001 | 108 |
| 2002 | 112 |
| 2003 | 135 |
| 2004 | 124 |
| 2005 | 140 |
| 2006 | 140 |
| 2007 | 145 |
| 2008 | 151 |
| 2009 | 167 |
| 2010 | 174 |
| 2011 | 152 |
| 2012 | 209 |
| 2013 | 216 |
| 2014 | 205 |
| 2015 | 222 |
| 2016 | 200 |
| 2017 | 226 |
| 2018 | 229 |
| 2019 | 261 |
| 2020 | 332 |
| 2021 | 392 |
| 2022 | 360 |
| 2023 | 279 |
| 2024 | 310 |
| 2025 | 114 |