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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1930 | 1 |
| 1951 | 2 |
| 1953 | 1 |
| 1958 | 1 |
| 1959 | 8 |
| 1960 | 9 |
| 1961 | 6 |
| 1962 | 4 |
| 1963 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1968 | 3 |
| 1969 | 4 |
| 1970 | 9 |
| 1971 | 4 |
| 1972 | 12 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 9 |
| 1976 | 12 |
| 1977 | 19 |
| 1978 | 12 |
| 1979 | 17 |
| 1980 | 16 |
| 1981 | 17 |
| 1982 | 21 |
| 1983 | 34 |
| 1984 | 41 |
| 1985 | 33 |
| 1986 | 31 |
| 1987 | 34 |
| 1988 | 57 |
| 1989 | 56 |
| 1990 | 43 |
| 1991 | 52 |
| 1992 | 63 |
| 1993 | 46 |
| 1994 | 68 |
| 1995 | 54 |
| 1996 | 76 |
| 1997 | 73 |
| 1998 | 60 |
| 1999 | 64 |
| 2000 | 88 |
| 2001 | 90 |
| 2002 | 85 |
| 2003 | 85 |
| 2004 | 100 |
| 2005 | 111 |
| 2006 | 116 |
| 2007 | 130 |
| 2008 | 121 |
| 2009 | 126 |
| 2010 | 144 |
| 2011 | 144 |
| 2012 | 174 |
| 2013 | 181 |
| 2014 | 200 |
| 2015 | 240 |
| 2016 | 243 |
| 2017 | 250 |
| 2018 | 310 |
| 2019 | 333 |
| 2020 | 414 |
| 2021 | 482 |
| 2022 | 437 |
| 2023 | 41 |