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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 3 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 4 |
| 1958 | 8 |
| 1959 | 3 |
| 1960 | 8 |
| 1961 | 5 |
| 1962 | 4 |
| 1963 | 11 |
| 1964 | 6 |
| 1965 | 8 |
| 1967 | 7 |
| 1968 | 4 |
| 1969 | 8 |
| 1970 | 10 |
| 1971 | 15 |
| 1972 | 19 |
| 1973 | 13 |
| 1974 | 8 |
| 1975 | 10 |
| 1976 | 20 |
| 1977 | 29 |
| 1978 | 17 |
| 1979 | 29 |
| 1980 | 33 |
| 1981 | 39 |
| 1982 | 41 |
| 1983 | 47 |
| 1984 | 52 |
| 1985 | 43 |
| 1986 | 56 |
| 1987 | 77 |
| 1988 | 59 |
| 1989 | 79 |
| 1990 | 86 |
| 1991 | 85 |
| 1992 | 105 |
| 1993 | 109 |
| 1994 | 109 |
| 1995 | 134 |
| 1996 | 109 |
| 1997 | 145 |
| 1998 | 169 |
| 1999 | 150 |
| 2000 | 209 |
| 2001 | 186 |
| 2002 | 222 |
| 2003 | 260 |
| 2004 | 306 |
| 2005 | 389 |
| 2006 | 398 |
| 2007 | 457 |
| 2008 | 529 |
| 2009 | 597 |
| 2010 | 691 |
| 2011 | 734 |
| 2012 | 880 |
| 2013 | 976 |
| 2014 | 1033 |
| 2015 | 1031 |
| 2016 | 1141 |
| 2017 | 1207 |
| 2018 | 1245 |
| 2019 | 1253 |
| 2020 | 1475 |
| 2021 | 1608 |
| 2022 | 1633 |
| 2023 | 752 |