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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 2 |
| 1950 | 2 |
| 1951 | 1 |
| 1953 | 2 |
| 1955 | 3 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 5 |
| 1961 | 4 |
| 1962 | 2 |
| 1964 | 5 |
| 1965 | 5 |
| 1966 | 2 |
| 1967 | 3 |
| 1968 | 2 |
| 1969 | 2 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 4 |
| 1975 | 7 |
| 1976 | 2 |
| 1977 | 10 |
| 1978 | 4 |
| 1979 | 2 |
| 1980 | 2 |
| 1981 | 7 |
| 1982 | 5 |
| 1983 | 4 |
| 1984 | 4 |
| 1985 | 8 |
| 1986 | 14 |
| 1987 | 32 |
| 1988 | 44 |
| 1989 | 40 |
| 1990 | 53 |
| 1991 | 36 |
| 1992 | 31 |
| 1993 | 29 |
| 1994 | 39 |
| 1995 | 41 |
| 1996 | 43 |
| 1997 | 56 |
| 1998 | 53 |
| 1999 | 76 |
| 2000 | 119 |
| 2001 | 137 |
| 2002 | 154 |
| 2003 | 206 |
| 2004 | 239 |
| 2005 | 239 |
| 2006 | 296 |
| 2007 | 297 |
| 2008 | 371 |
| 2009 | 346 |
| 2010 | 341 |
| 2011 | 412 |
| 2012 | 420 |
| 2013 | 516 |
| 2014 | 778 |
| 2015 | 1044 |
| 2016 | 1083 |
| 2017 | 1186 |
| 2018 | 1237 |
| 2019 | 1283 |
| 2020 | 1588 |
| 2021 | 1724 |
| 2022 | 1631 |
| 2023 | 174 |