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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 2 |
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 9 |
| 1963 | 8 |
| 1964 | 6 |
| 1965 | 14 |
| 1966 | 20 |
| 1967 | 21 |
| 1968 | 12 |
| 1969 | 22 |
| 1970 | 21 |
| 1971 | 21 |
| 1972 | 16 |
| 1973 | 18 |
| 1974 | 21 |
| 1975 | 20 |
| 1976 | 21 |
| 1977 | 31 |
| 1978 | 37 |
| 1979 | 40 |
| 1980 | 28 |
| 1981 | 44 |
| 1982 | 50 |
| 1983 | 64 |
| 1984 | 59 |
| 1985 | 55 |
| 1986 | 70 |
| 1987 | 69 |
| 1988 | 73 |
| 1989 | 79 |
| 1990 | 77 |
| 1991 | 63 |
| 1992 | 78 |
| 1993 | 94 |
| 1994 | 76 |
| 1995 | 87 |
| 1996 | 90 |
| 1997 | 121 |
| 1998 | 102 |
| 1999 | 114 |
| 2000 | 106 |
| 2001 | 155 |
| 2002 | 158 |
| 2003 | 203 |
| 2004 | 184 |
| 2005 | 186 |
| 2006 | 228 |
| 2007 | 199 |
| 2008 | 242 |
| 2009 | 254 |
| 2010 | 286 |
| 2011 | 249 |
| 2012 | 268 |
| 2013 | 272 |
| 2014 | 240 |
| 2015 | 254 |
| 2016 | 259 |
| 2017 | 290 |
| 2018 | 292 |
| 2019 | 269 |
| 2020 | 311 |
| 2021 | 382 |
| 2022 | 353 |
| 2023 | 286 |
| 2024 | 225 |