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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1955 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1965 | 4 |
| 1966 | 30 |
| 1967 | 72 |
| 1968 | 93 |
| 1969 | 89 |
| 1970 | 97 |
| 1971 | 127 |
| 1972 | 136 |
| 1973 | 176 |
| 1974 | 134 |
| 1975 | 124 |
| 1976 | 104 |
| 1977 | 108 |
| 1978 | 111 |
| 1979 | 148 |
| 1980 | 132 |
| 1981 | 154 |
| 1982 | 127 |
| 1983 | 186 |
| 1984 | 182 |
| 1985 | 207 |
| 1986 | 212 |
| 1987 | 258 |
| 1988 | 301 |
| 1989 | 309 |
| 1990 | 356 |
| 1991 | 372 |
| 1992 | 391 |
| 1993 | 353 |
| 1994 | 425 |
| 1995 | 448 |
| 1996 | 389 |
| 1997 | 400 |
| 1998 | 490 |
| 1999 | 414 |
| 2000 | 457 |
| 2001 | 460 |
| 2002 | 541 |
| 2003 | 606 |
| 2004 | 653 |
| 2005 | 647 |
| 2006 | 721 |
| 2007 | 879 |
| 2008 | 828 |
| 2009 | 963 |
| 2010 | 959 |
| 2011 | 946 |
| 2012 | 985 |
| 2013 | 972 |
| 2014 | 1015 |
| 2015 | 974 |
| 2016 | 1028 |
| 2017 | 972 |
| 2018 | 864 |
| 2019 | 993 |
| 2020 | 857 |
| 2021 | 540 |
| 2022 | 80 |
| 2023 | 36 |
| 2024 | 143 |