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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1955 | 1 |
| 1956 | 21 |
| 1957 | 46 |
| 1958 | 39 |
| 1959 | 55 |
| 1960 | 20 |
| 1961 | 27 |
| 1962 | 25 |
| 1964 | 3 |
| 1965 | 37 |
| 1966 | 70 |
| 1967 | 100 |
| 1968 | 103 |
| 1969 | 169 |
| 1970 | 120 |
| 1971 | 121 |
| 1972 | 130 |
| 1973 | 151 |
| 1974 | 163 |
| 1975 | 125 |
| 1976 | 179 |
| 1977 | 192 |
| 1978 | 163 |
| 1979 | 191 |
| 1980 | 171 |
| 1981 | 210 |
| 1982 | 196 |
| 1983 | 189 |
| 1984 | 259 |
| 1985 | 300 |
| 1986 | 323 |
| 1987 | 297 |
| 1988 | 349 |
| 1989 | 414 |
| 1990 | 408 |
| 1991 | 391 |
| 1992 | 428 |
| 1993 | 407 |
| 1994 | 412 |
| 1995 | 479 |
| 1996 | 488 |
| 1997 | 510 |
| 1998 | 495 |
| 1999 | 554 |
| 2000 | 560 |
| 2001 | 536 |
| 2002 | 572 |
| 2003 | 676 |
| 2004 | 646 |
| 2005 | 724 |
| 2006 | 709 |
| 2007 | 842 |
| 2008 | 857 |
| 2009 | 915 |
| 2010 | 999 |
| 2011 | 1062 |
| 2012 | 1040 |
| 2013 | 1063 |
| 2014 | 1145 |
| 2015 | 1234 |
| 2016 | 1111 |
| 2017 | 1058 |
| 2018 | 1150 |
| 2019 | 1234 |
| 2020 | 1260 |
| 2021 | 1128 |
| 2022 | 1007 |
| 2023 | 819 |
| 2024 | 984 |
| 2025 | 4 |