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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1957 | 3 |
| 1958 | 1 |
| 1959 | 10 |
| 1960 | 13 |
| 1961 | 19 |
| 1962 | 22 |
| 1963 | 1 |
| 1964 | 9 |
| 1965 | 53 |
| 1966 | 104 |
| 1967 | 172 |
| 1968 | 184 |
| 1969 | 230 |
| 1970 | 236 |
| 1971 | 278 |
| 1972 | 275 |
| 1973 | 356 |
| 1974 | 358 |
| 1975 | 281 |
| 1976 | 291 |
| 1977 | 275 |
| 1978 | 304 |
| 1979 | 339 |
| 1980 | 354 |
| 1981 | 342 |
| 1982 | 380 |
| 1983 | 431 |
| 1984 | 491 |
| 1985 | 538 |
| 1986 | 559 |
| 1987 | 572 |
| 1988 | 643 |
| 1989 | 641 |
| 1990 | 686 |
| 1991 | 628 |
| 1992 | 708 |
| 1993 | 682 |
| 1994 | 771 |
| 1995 | 780 |
| 1996 | 787 |
| 1997 | 797 |
| 1998 | 819 |
| 1999 | 858 |
| 2000 | 861 |
| 2001 | 888 |
| 2002 | 921 |
| 2003 | 915 |
| 2004 | 1005 |
| 2005 | 1014 |
| 2006 | 1101 |
| 2007 | 1133 |
| 2008 | 1178 |
| 2009 | 1235 |
| 2010 | 1287 |
| 2011 | 1330 |
| 2012 | 1278 |
| 2013 | 1339 |
| 2014 | 1380 |
| 2015 | 1359 |
| 2016 | 1284 |
| 2017 | 1167 |
| 2018 | 1163 |
| 2019 | 1166 |
| 2020 | 1026 |
| 2021 | 892 |
| 2022 | 837 |
| 2023 | 788 |
| 2024 | 906 |
| 2025 | 59 |