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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 4 |
| 1951 | 1 |
| 1952 | 3 |
| 1953 | 2 |
| 1954 | 2 |
| 1955 | 6 |
| 1956 | 10 |
| 1957 | 10 |
| 1958 | 16 |
| 1959 | 28 |
| 1960 | 21 |
| 1961 | 23 |
| 1962 | 24 |
| 1964 | 3 |
| 1965 | 43 |
| 1966 | 83 |
| 1967 | 93 |
| 1968 | 102 |
| 1969 | 96 |
| 1970 | 116 |
| 1971 | 127 |
| 1972 | 105 |
| 1973 | 98 |
| 1974 | 106 |
| 1975 | 103 |
| 1976 | 77 |
| 1977 | 95 |
| 1978 | 101 |
| 1979 | 121 |
| 1980 | 126 |
| 1981 | 150 |
| 1982 | 172 |
| 1983 | 175 |
| 1984 | 212 |
| 1985 | 251 |
| 1986 | 228 |
| 1987 | 239 |
| 1988 | 231 |
| 1989 | 220 |
| 1990 | 235 |
| 1991 | 218 |
| 1992 | 235 |
| 1993 | 233 |
| 1994 | 184 |
| 1995 | 180 |
| 1996 | 184 |
| 1997 | 190 |
| 1998 | 192 |
| 1999 | 199 |
| 2000 | 162 |
| 2001 | 183 |
| 2002 | 203 |
| 2003 | 194 |
| 2004 | 189 |
| 2005 | 184 |
| 2006 | 252 |
| 2007 | 237 |
| 2008 | 219 |
| 2009 | 207 |
| 2010 | 194 |
| 2011 | 262 |
| 2012 | 287 |
| 2013 | 313 |
| 2014 | 320 |
| 2015 | 341 |
| 2016 | 319 |
| 2017 | 337 |
| 2018 | 349 |
| 2019 | 345 |
| 2020 | 965 |
| 2021 | 676 |
| 2022 | 421 |
| 2023 | 281 |
| 2024 | 109 |