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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 7 |
| 1948 | 1 |
| 1951 | 4 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 4 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 4 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 3 |
| 1972 | 1 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 16 |
| 1978 | 18 |
| 1979 | 30 |
| 1980 | 25 |
| 1981 | 35 |
| 1982 | 30 |
| 1983 | 24 |
| 1984 | 46 |
| 1985 | 31 |
| 1986 | 37 |
| 1987 | 29 |
| 1988 | 46 |
| 1989 | 35 |
| 1990 | 28 |
| 1991 | 40 |
| 1992 | 34 |
| 1993 | 24 |
| 1994 | 49 |
| 1995 | 58 |
| 1996 | 89 |
| 1997 | 92 |
| 1998 | 74 |
| 1999 | 87 |
| 2000 | 70 |
| 2001 | 99 |
| 2002 | 106 |
| 2003 | 98 |
| 2004 | 124 |
| 2005 | 120 |
| 2006 | 105 |
| 2007 | 112 |
| 2008 | 120 |
| 2009 | 125 |
| 2010 | 152 |
| 2011 | 172 |
| 2012 | 166 |
| 2013 | 179 |
| 2014 | 193 |
| 2015 | 218 |
| 2016 | 163 |
| 2017 | 193 |
| 2018 | 180 |
| 2019 | 213 |
| 2020 | 174 |
| 2021 | 88 |
| 2022 | 23 |
| 2023 | 19 |
| 2024 | 293 |