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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1957 | 5 |
| 1958 | 4 |
| 1959 | 1 |
| 1963 | 1 |
| 1964 | 5 |
| 1965 | 43 |
| 1966 | 69 |
| 1967 | 110 |
| 1968 | 110 |
| 1969 | 139 |
| 1970 | 160 |
| 1971 | 152 |
| 1972 | 145 |
| 1973 | 153 |
| 1974 | 153 |
| 1975 | 144 |
| 1976 | 104 |
| 1977 | 135 |
| 1978 | 82 |
| 1979 | 99 |
| 1980 | 78 |
| 1981 | 82 |
| 1982 | 106 |
| 1983 | 101 |
| 1984 | 93 |
| 1985 | 119 |
| 1986 | 108 |
| 1987 | 95 |
| 1988 | 86 |
| 1989 | 78 |
| 1990 | 80 |
| 1991 | 75 |
| 1992 | 58 |
| 1993 | 58 |
| 1994 | 59 |
| 1995 | 79 |
| 1996 | 61 |
| 1997 | 86 |
| 1998 | 79 |
| 1999 | 108 |
| 2000 | 112 |
| 2001 | 159 |
| 2002 | 169 |
| 2003 | 207 |
| 2004 | 253 |
| 2005 | 352 |
| 2006 | 407 |
| 2007 | 478 |
| 2008 | 544 |
| 2009 | 650 |
| 2010 | 791 |
| 2011 | 809 |
| 2012 | 915 |
| 2013 | 1000 |
| 2014 | 1141 |
| 2015 | 1237 |
| 2016 | 1330 |
| 2017 | 1325 |
| 2018 | 1394 |
| 2019 | 1581 |
| 2020 | 1761 |
| 2021 | 1847 |
| 2022 | 1856 |
| 2023 | 1881 |
| 2024 | 728 |