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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 2 |
| 1953 | 5 |
| 1954 | 2 |
| 1955 | 2 |
| 1958 | 3 |
| 1959 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1980 | 4 |
| 1981 | 8 |
| 1982 | 11 |
| 1983 | 6 |
| 1984 | 7 |
| 1985 | 8 |
| 1986 | 6 |
| 1987 | 4 |
| 1988 | 4 |
| 1989 | 7 |
| 1990 | 8 |
| 1991 | 10 |
| 1992 | 5 |
| 1993 | 4 |
| 1994 | 4 |
| 1995 | 3 |
| 1996 | 8 |
| 1997 | 15 |
| 1998 | 26 |
| 1999 | 53 |
| 2000 | 71 |
| 2001 | 80 |
| 2002 | 119 |
| 2003 | 118 |
| 2004 | 140 |
| 2005 | 136 |
| 2006 | 154 |
| 2007 | 154 |
| 2008 | 180 |
| 2009 | 164 |
| 2010 | 181 |
| 2011 | 159 |
| 2012 | 170 |
| 2013 | 182 |
| 2014 | 215 |
| 2015 | 173 |
| 2016 | 135 |
| 2017 | 140 |
| 2018 | 146 |
| 2019 | 142 |
| 2020 | 128 |
| 2021 | 126 |
| 2022 | 114 |
| 2023 | 94 |
| 2024 | 30 |