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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1961 | 5 |
| 1962 | 6 |
| 1963 | 6 |
| 1964 | 6 |
| 1965 | 22 |
| 1966 | 12 |
| 1967 | 11 |
| 1968 | 4 |
| 1969 | 26 |
| 1970 | 16 |
| 1971 | 13 |
| 1972 | 14 |
| 1973 | 27 |
| 1974 | 29 |
| 1975 | 32 |
| 1976 | 30 |
| 1977 | 36 |
| 1978 | 33 |
| 1979 | 29 |
| 1980 | 40 |
| 1981 | 30 |
| 1982 | 39 |
| 1983 | 51 |
| 1984 | 57 |
| 1985 | 73 |
| 1986 | 59 |
| 1987 | 69 |
| 1988 | 86 |
| 1989 | 81 |
| 1990 | 91 |
| 1991 | 73 |
| 1992 | 78 |
| 1993 | 77 |
| 1994 | 83 |
| 1995 | 98 |
| 1996 | 114 |
| 1997 | 115 |
| 1998 | 132 |
| 1999 | 124 |
| 2000 | 134 |
| 2001 | 151 |
| 2002 | 153 |
| 2003 | 174 |
| 2004 | 167 |
| 2005 | 182 |
| 2006 | 188 |
| 2007 | 192 |
| 2008 | 206 |
| 2009 | 219 |
| 2010 | 250 |
| 2011 | 258 |
| 2012 | 320 |
| 2013 | 281 |
| 2014 | 266 |
| 2015 | 244 |
| 2016 | 278 |
| 2017 | 309 |
| 2018 | 324 |
| 2019 | 353 |
| 2020 | 369 |
| 2021 | 398 |
| 2022 | 410 |
| 2023 | 351 |
| 2024 | 346 |
| 2025 | 22 |