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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1954 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 4 |
| 1960 | 6 |
| 1961 | 3 |
| 1962 | 9 |
| 1963 | 8 |
| 1964 | 12 |
| 1965 | 8 |
| 1966 | 10 |
| 1967 | 5 |
| 1968 | 7 |
| 1969 | 7 |
| 1970 | 8 |
| 1971 | 7 |
| 1972 | 4 |
| 1973 | 9 |
| 1974 | 5 |
| 1975 | 9 |
| 1976 | 5 |
| 1977 | 15 |
| 1978 | 13 |
| 1979 | 16 |
| 1980 | 23 |
| 1981 | 32 |
| 1982 | 23 |
| 1983 | 30 |
| 1984 | 40 |
| 1985 | 37 |
| 1986 | 51 |
| 1987 | 39 |
| 1988 | 53 |
| 1989 | 57 |
| 1990 | 58 |
| 1991 | 79 |
| 1992 | 123 |
| 1993 | 116 |
| 1994 | 153 |
| 1995 | 154 |
| 1996 | 159 |
| 1997 | 161 |
| 1998 | 163 |
| 1999 | 227 |
| 2000 | 248 |
| 2001 | 313 |
| 2002 | 350 |
| 2003 | 412 |
| 2004 | 524 |
| 2005 | 689 |
| 2006 | 756 |
| 2007 | 886 |
| 2008 | 1032 |
| 2009 | 1138 |
| 2010 | 1301 |
| 2011 | 1538 |
| 2012 | 1768 |
| 2013 | 2199 |
| 2014 | 2462 |
| 2015 | 2858 |
| 2016 | 3164 |
| 2017 | 3527 |
| 2018 | 4380 |
| 2019 | 5041 |
| 2020 | 6057 |
| 2021 | 7085 |
| 2022 | 8142 |
| 2023 | 3925 |