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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 2 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 8 |
| 1953 | 9 |
| 1954 | 11 |
| 1955 | 21 |
| 1956 | 25 |
| 1957 | 33 |
| 1958 | 31 |
| 1959 | 28 |
| 1960 | 33 |
| 1961 | 30 |
| 1962 | 32 |
| 1964 | 6 |
| 1965 | 81 |
| 1966 | 148 |
| 1967 | 193 |
| 1968 | 269 |
| 1969 | 241 |
| 1970 | 225 |
| 1971 | 270 |
| 1972 | 305 |
| 1973 | 312 |
| 1974 | 334 |
| 1975 | 327 |
| 1976 | 320 |
| 1977 | 346 |
| 1978 | 372 |
| 1979 | 422 |
| 1980 | 401 |
| 1981 | 428 |
| 1982 | 474 |
| 1983 | 437 |
| 1984 | 465 |
| 1985 | 535 |
| 1986 | 521 |
| 1987 | 482 |
| 1988 | 571 |
| 1989 | 677 |
| 1990 | 919 |
| 1991 | 1117 |
| 1992 | 1137 |
| 1993 | 1203 |
| 1994 | 1208 |
| 1995 | 1659 |
| 1996 | 1754 |
| 1997 | 1965 |
| 1998 | 1653 |
| 1999 | 1541 |
| 2000 | 1706 |
| 2001 | 2051 |
| 2002 | 2384 |
| 2003 | 2477 |
| 2004 | 2963 |
| 2005 | 3601 |
| 2006 | 4242 |
| 2007 | 4656 |
| 2008 | 5388 |
| 2009 | 5785 |
| 2010 | 6095 |
| 2011 | 6543 |
| 2012 | 6936 |
| 2013 | 7615 |
| 2014 | 7328 |
| 2015 | 7395 |
| 2016 | 7052 |
| 2017 | 7181 |
| 2018 | 7274 |
| 2019 | 7138 |
| 2020 | 6361 |
| 2021 | 4801 |
| 2022 | 3500 |
| 2023 | 3047 |
| 2024 | 1285 |