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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1937 | 1 |
| 1939 | 2 |
| 1946 | 2 |
| 1947 | 4 |
| 1948 | 1 |
| 1949 | 4 |
| 1950 | 13 |
| 1951 | 10 |
| 1952 | 25 |
| 1953 | 21 |
| 1954 | 13 |
| 1955 | 18 |
| 1956 | 13 |
| 1957 | 17 |
| 1958 | 13 |
| 1959 | 20 |
| 1960 | 16 |
| 1961 | 13 |
| 1962 | 24 |
| 1963 | 19 |
| 1964 | 22 |
| 1965 | 16 |
| 1966 | 15 |
| 1967 | 17 |
| 1968 | 13 |
| 1969 | 14 |
| 1970 | 18 |
| 1971 | 19 |
| 1972 | 19 |
| 1973 | 17 |
| 1974 | 23 |
| 1975 | 27 |
| 1976 | 34 |
| 1977 | 45 |
| 1978 | 39 |
| 1979 | 46 |
| 1980 | 44 |
| 1981 | 65 |
| 1982 | 60 |
| 1983 | 74 |
| 1984 | 84 |
| 1985 | 84 |
| 1986 | 90 |
| 1987 | 102 |
| 1988 | 79 |
| 1989 | 81 |
| 1990 | 81 |
| 1991 | 113 |
| 1992 | 134 |
| 1993 | 131 |
| 1994 | 130 |
| 1995 | 135 |
| 1996 | 128 |
| 1997 | 140 |
| 1998 | 183 |
| 1999 | 136 |
| 2000 | 143 |
| 2001 | 152 |
| 2002 | 200 |
| 2003 | 242 |
| 2004 | 216 |
| 2005 | 222 |
| 2006 | 221 |
| 2007 | 234 |
| 2008 | 256 |
| 2009 | 323 |
| 2010 | 289 |
| 2011 | 268 |
| 2012 | 309 |
| 2013 | 269 |
| 2014 | 315 |
| 2015 | 316 |
| 2016 | 354 |
| 2017 | 292 |
| 2018 | 317 |
| 2019 | 318 |
| 2020 | 411 |
| 2021 | 563 |
| 2022 | 511 |
| 2023 | 474 |
| 2024 | 138 |