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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 8 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 4 |
| 1953 | 4 |
| 1954 | 2 |
| 1956 | 2 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 4 |
| 1961 | 7 |
| 1962 | 2 |
| 1963 | 91 |
| 1964 | 101 |
| 1965 | 100 |
| 1966 | 189 |
| 1967 | 192 |
| 1968 | 296 |
| 1969 | 320 |
| 1970 | 251 |
| 1971 | 259 |
| 1972 | 269 |
| 1973 | 209 |
| 1974 | 190 |
| 1975 | 105 |
| 1976 | 88 |
| 1977 | 131 |
| 1978 | 94 |
| 1979 | 103 |
| 1980 | 99 |
| 1981 | 92 |
| 1982 | 64 |
| 1983 | 77 |
| 1984 | 111 |
| 1985 | 224 |
| 1986 | 284 |
| 1987 | 238 |
| 1988 | 305 |
| 1989 | 313 |
| 1990 | 476 |
| 1991 | 469 |
| 1992 | 524 |
| 1993 | 654 |
| 1994 | 649 |
| 1995 | 601 |
| 1996 | 688 |
| 1997 | 822 |
| 1998 | 894 |
| 1999 | 1122 |
| 2000 | 1289 |
| 2001 | 3272 |
| 2002 | 3626 |
| 2003 | 3766 |
| 2004 | 4260 |
| 2005 | 5228 |
| 2006 | 5693 |
| 2007 | 6124 |
| 2008 | 6203 |
| 2009 | 6705 |
| 2010 | 7314 |
| 2011 | 8459 |
| 2012 | 9175 |
| 2013 | 9546 |
| 2014 | 10204 |
| 2015 | 10499 |
| 2016 | 11120 |
| 2017 | 10236 |
| 2018 | 10865 |
| 2019 | 11137 |
| 2020 | 11420 |
| 2021 | 11890 |
| 2022 | 12795 |
| 2023 | 10525 |
| 2024 | 11318 |
| 2025 | 144 |