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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1950 | 2 |
| 1951 | 3 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 4 |
| 1959 | 7 |
| 1960 | 6 |
| 1961 | 7 |
| 1962 | 12 |
| 1963 | 17 |
| 1964 | 19 |
| 1965 | 22 |
| 1966 | 33 |
| 1967 | 24 |
| 1968 | 29 |
| 1969 | 24 |
| 1970 | 26 |
| 1971 | 25 |
| 1972 | 38 |
| 1973 | 38 |
| 1974 | 52 |
| 1975 | 40 |
| 1976 | 52 |
| 1977 | 42 |
| 1978 | 55 |
| 1979 | 55 |
| 1980 | 56 |
| 1981 | 58 |
| 1982 | 95 |
| 1983 | 83 |
| 1984 | 122 |
| 1985 | 126 |
| 1986 | 127 |
| 1987 | 143 |
| 1988 | 155 |
| 1989 | 148 |
| 1990 | 160 |
| 1991 | 142 |
| 1992 | 160 |
| 1993 | 169 |
| 1994 | 172 |
| 1995 | 223 |
| 1996 | 197 |
| 1997 | 191 |
| 1998 | 231 |
| 1999 | 244 |
| 2000 | 273 |
| 2001 | 227 |
| 2002 | 241 |
| 2003 | 217 |
| 2004 | 245 |
| 2005 | 265 |
| 2006 | 276 |
| 2007 | 293 |
| 2008 | 311 |
| 2009 | 312 |
| 2010 | 334 |
| 2011 | 322 |
| 2012 | 382 |
| 2013 | 445 |
| 2014 | 399 |
| 2015 | 388 |
| 2016 | 400 |
| 2017 | 397 |
| 2018 | 423 |
| 2019 | 504 |
| 2020 | 580 |
| 2021 | 599 |
| 2022 | 549 |
| 2023 | 459 |
| 2024 | 2 |