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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 2 |
| 1958 | 1 |
| 1959 | 2 |
| 1962 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 8 |
| 1967 | 4 |
| 1968 | 4 |
| 1969 | 12 |
| 1970 | 19 |
| 1971 | 16 |
| 1972 | 17 |
| 1973 | 12 |
| 1974 | 15 |
| 1975 | 31 |
| 1976 | 35 |
| 1977 | 44 |
| 1978 | 44 |
| 1979 | 68 |
| 1980 | 63 |
| 1981 | 54 |
| 1982 | 58 |
| 1983 | 47 |
| 1984 | 68 |
| 1985 | 59 |
| 1986 | 61 |
| 1987 | 71 |
| 1988 | 96 |
| 1989 | 91 |
| 1990 | 97 |
| 1991 | 80 |
| 1992 | 67 |
| 1993 | 99 |
| 1994 | 100 |
| 1995 | 109 |
| 1996 | 136 |
| 1997 | 103 |
| 1998 | 99 |
| 1999 | 138 |
| 2000 | 170 |
| 2001 | 208 |
| 2002 | 245 |
| 2003 | 239 |
| 2004 | 267 |
| 2005 | 335 |
| 2006 | 368 |
| 2007 | 434 |
| 2008 | 541 |
| 2009 | 572 |
| 2010 | 628 |
| 2011 | 809 |
| 2012 | 927 |
| 2013 | 967 |
| 2014 | 1072 |
| 2015 | 1133 |
| 2016 | 1250 |
| 2017 | 1310 |
| 2018 | 1502 |
| 2019 | 1568 |
| 2020 | 1938 |
| 2021 | 2324 |
| 2022 | 2340 |
| 2023 | 2380 |
| 2024 | 999 |