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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1949 | 1 |
| 1950 | 2 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1958 | 4 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 4 |
| 1963 | 6 |
| 1964 | 5 |
| 1965 | 11 |
| 1966 | 12 |
| 1967 | 16 |
| 1968 | 21 |
| 1969 | 17 |
| 1970 | 35 |
| 1971 | 18 |
| 1972 | 38 |
| 1973 | 25 |
| 1974 | 29 |
| 1975 | 33 |
| 1976 | 28 |
| 1977 | 54 |
| 1978 | 59 |
| 1979 | 60 |
| 1980 | 85 |
| 1981 | 74 |
| 1982 | 75 |
| 1983 | 68 |
| 1984 | 85 |
| 1985 | 95 |
| 1986 | 102 |
| 1987 | 113 |
| 1988 | 131 |
| 1989 | 132 |
| 1990 | 152 |
| 1991 | 164 |
| 1992 | 121 |
| 1993 | 140 |
| 1994 | 156 |
| 1995 | 141 |
| 1996 | 178 |
| 1997 | 177 |
| 1998 | 157 |
| 1999 | 169 |
| 2000 | 192 |
| 2001 | 219 |
| 2002 | 229 |
| 2003 | 315 |
| 2004 | 335 |
| 2005 | 417 |
| 2006 | 468 |
| 2007 | 460 |
| 2008 | 532 |
| 2009 | 578 |
| 2010 | 673 |
| 2011 | 812 |
| 2012 | 897 |
| 2013 | 1000 |
| 2014 | 1091 |
| 2015 | 1087 |
| 2016 | 1133 |
| 2017 | 1082 |
| 2018 | 1165 |
| 2019 | 1296 |
| 2020 | 1750 |
| 2021 | 2170 |
| 2022 | 2180 |
| 2023 | 1102 |