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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1953 | 10 |
| 1954 | 26 |
| 1955 | 32 |
| 1956 | 27 |
| 1957 | 31 |
| 1958 | 36 |
| 1959 | 8 |
| 1966 | 12 |
| 1967 | 11 |
| 1968 | 21 |
| 1969 | 18 |
| 1970 | 46 |
| 1971 | 32 |
| 1972 | 18 |
| 1973 | 17 |
| 1974 | 29 |
| 1975 | 60 |
| 1976 | 131 |
| 1977 | 129 |
| 1978 | 85 |
| 1979 | 72 |
| 1980 | 74 |
| 1981 | 80 |
| 1982 | 106 |
| 1983 | 113 |
| 1984 | 135 |
| 1985 | 117 |
| 1986 | 97 |
| 1987 | 105 |
| 1988 | 95 |
| 1989 | 124 |
| 1990 | 120 |
| 1991 | 143 |
| 1992 | 126 |
| 1993 | 172 |
| 1994 | 113 |
| 1995 | 111 |
| 1996 | 115 |
| 1997 | 120 |
| 1998 | 114 |
| 1999 | 133 |
| 2000 | 130 |
| 2001 | 150 |
| 2002 | 178 |
| 2003 | 208 |
| 2004 | 250 |
| 2005 | 236 |
| 2006 | 262 |
| 2007 | 213 |
| 2008 | 232 |
| 2009 | 245 |
| 2010 | 274 |
| 2011 | 417 |
| 2012 | 411 |
| 2013 | 451 |
| 2014 | 411 |
| 2015 | 401 |
| 2016 | 407 |
| 2017 | 456 |
| 2018 | 395 |
| 2019 | 313 |
| 2020 | 384 |
| 2021 | 415 |
| 2022 | 336 |
| 2023 | 262 |
| 2024 | 468 |
| 2025 | 344 |