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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1956 | 3 |
| 1957 | 15 |
| 1958 | 9 |
| 1959 | 16 |
| 1960 | 35 |
| 1961 | 30 |
| 1962 | 21 |
| 1965 | 3 |
| 1966 | 14 |
| 1967 | 13 |
| 1968 | 19 |
| 1969 | 18 |
| 1970 | 23 |
| 1971 | 26 |
| 1972 | 25 |
| 1973 | 19 |
| 1974 | 16 |
| 1975 | 16 |
| 1976 | 14 |
| 1977 | 11 |
| 1978 | 23 |
| 1979 | 13 |
| 1980 | 15 |
| 1981 | 24 |
| 1982 | 19 |
| 1983 | 18 |
| 1984 | 21 |
| 1985 | 17 |
| 1986 | 30 |
| 1987 | 36 |
| 1988 | 57 |
| 1989 | 68 |
| 1990 | 84 |
| 1991 | 100 |
| 1992 | 140 |
| 1993 | 169 |
| 1994 | 211 |
| 1995 | 170 |
| 1996 | 196 |
| 1997 | 213 |
| 1998 | 216 |
| 1999 | 240 |
| 2000 | 233 |
| 2001 | 232 |
| 2002 | 263 |
| 2003 | 371 |
| 2004 | 354 |
| 2005 | 370 |
| 2006 | 344 |
| 2007 | 438 |
| 2008 | 486 |
| 2009 | 532 |
| 2010 | 536 |
| 2011 | 586 |
| 2012 | 843 |
| 2013 | 846 |
| 2014 | 883 |
| 2015 | 977 |
| 2016 | 842 |
| 2017 | 859 |
| 2018 | 1121 |
| 2019 | 1222 |
| 2020 | 910 |
| 2021 | 570 |
| 2022 | 71 |
| 2023 | 12 |
| 2024 | 2 |