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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 4 |
| 1948 | 4 |
| 1949 | 2 |
| 1950 | 4 |
| 1951 | 2 |
| 1952 | 3 |
| 1953 | 3 |
| 1954 | 3 |
| 1955 | 2 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 6 |
| 1962 | 5 |
| 1963 | 6 |
| 1964 | 8 |
| 1965 | 6 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 1 |
| 1979 | 2 |
| 1980 | 5 |
| 1981 | 8 |
| 1982 | 4 |
| 1983 | 3 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 4 |
| 1987 | 5 |
| 1988 | 5 |
| 1989 | 3 |
| 1990 | 12 |
| 1991 | 18 |
| 1992 | 17 |
| 1993 | 23 |
| 1994 | 18 |
| 1995 | 26 |
| 1996 | 37 |
| 1997 | 41 |
| 1998 | 36 |
| 1999 | 58 |
| 2000 | 64 |
| 2001 | 89 |
| 2002 | 103 |
| 2003 | 123 |
| 2004 | 130 |
| 2005 | 150 |
| 2006 | 188 |
| 2007 | 188 |
| 2008 | 195 |
| 2009 | 165 |
| 2010 | 206 |
| 2011 | 262 |
| 2012 | 313 |
| 2013 | 291 |
| 2014 | 250 |
| 2015 | 202 |
| 2016 | 216 |
| 2017 | 221 |
| 2018 | 261 |
| 2019 | 282 |
| 2020 | 330 |
| 2021 | 356 |
| 2022 | 254 |
| 2023 | 152 |
| 2024 | 101 |