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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1951 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1965 | 1 |
| 1966 | 4 |
| 1967 | 3 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 6 |
| 1972 | 6 |
| 1973 | 13 |
| 1974 | 8 |
| 1975 | 7 |
| 1976 | 6 |
| 1977 | 11 |
| 1978 | 6 |
| 1979 | 10 |
| 1980 | 11 |
| 1981 | 9 |
| 1982 | 10 |
| 1983 | 20 |
| 1984 | 27 |
| 1985 | 28 |
| 1986 | 20 |
| 1987 | 22 |
| 1988 | 24 |
| 1989 | 25 |
| 1990 | 45 |
| 1991 | 47 |
| 1992 | 56 |
| 1993 | 47 |
| 1994 | 55 |
| 1995 | 61 |
| 1996 | 46 |
| 1997 | 59 |
| 1998 | 71 |
| 1999 | 88 |
| 2000 | 83 |
| 2001 | 79 |
| 2002 | 82 |
| 2003 | 119 |
| 2004 | 157 |
| 2005 | 159 |
| 2006 | 152 |
| 2007 | 207 |
| 2008 | 274 |
| 2009 | 348 |
| 2010 | 409 |
| 2011 | 443 |
| 2012 | 455 |
| 2013 | 499 |
| 2014 | 515 |
| 2015 | 598 |
| 2016 | 601 |
| 2017 | 706 |
| 2018 | 757 |
| 2019 | 878 |
| 2020 | 1072 |
| 2021 | 1243 |
| 2022 | 1304 |
| 2023 | 521 |