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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1952 | 8 |
| 1953 | 15 |
| 1954 | 15 |
| 1955 | 14 |
| 1956 | 13 |
| 1957 | 16 |
| 1958 | 11 |
| 1959 | 10 |
| 1960 | 10 |
| 1961 | 7 |
| 1962 | 11 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 19 |
| 1966 | 27 |
| 1967 | 29 |
| 1968 | 48 |
| 1969 | 48 |
| 1970 | 40 |
| 1971 | 49 |
| 1972 | 46 |
| 1973 | 61 |
| 1974 | 41 |
| 1975 | 52 |
| 1976 | 50 |
| 1977 | 67 |
| 1978 | 76 |
| 1979 | 91 |
| 1980 | 78 |
| 1981 | 91 |
| 1982 | 98 |
| 1983 | 100 |
| 1984 | 88 |
| 1985 | 109 |
| 1986 | 115 |
| 1987 | 134 |
| 1988 | 113 |
| 1989 | 108 |
| 1990 | 99 |
| 1991 | 96 |
| 1992 | 101 |
| 1993 | 134 |
| 1994 | 123 |
| 1995 | 134 |
| 1996 | 141 |
| 1997 | 185 |
| 1998 | 170 |
| 1999 | 192 |
| 2000 | 221 |
| 2001 | 212 |
| 2002 | 212 |
| 2003 | 212 |
| 2004 | 278 |
| 2005 | 224 |
| 2006 | 269 |
| 2007 | 302 |
| 2008 | 303 |
| 2009 | 260 |
| 2010 | 304 |
| 2011 | 341 |
| 2012 | 365 |
| 2013 | 367 |
| 2014 | 414 |
| 2015 | 372 |
| 2016 | 302 |
| 2017 | 351 |
| 2018 | 383 |
| 2019 | 401 |
| 2020 | 503 |
| 2021 | 481 |
| 2022 | 561 |
| 2023 | 500 |
| 2024 | 514 |
| 2025 | 357 |