Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1945 | 23 |
| 1946 | 97 |
| 1947 | 74 |
| 1948 | 102 |
| 1949 | 102 |
| 1950 | 207 |
| 1951 | 171 |
| 1952 | 193 |
| 1953 | 190 |
| 1954 | 241 |
| 1955 | 256 |
| 1956 | 229 |
| 1957 | 224 |
| 1958 | 214 |
| 1959 | 252 |
| 1960 | 222 |
| 1961 | 232 |
| 1962 | 287 |
| 1963 | 294 |
| 1964 | 312 |
| 1965 | 205 |
| 1966 | 1 |
| 1967 | 6 |
| 1968 | 26 |
| 1969 | 74 |
| 1970 | 54 |
| 1971 | 62 |
| 1972 | 78 |
| 1973 | 97 |
| 1974 | 151 |
| 1975 | 168 |
| 1976 | 205 |
| 1977 | 237 |
| 1978 | 291 |
| 1979 | 339 |
| 1980 | 357 |
| 1981 | 358 |
| 1982 | 452 |
| 1983 | 502 |
| 1984 | 509 |
| 1985 | 465 |
| 1986 | 466 |
| 1987 | 538 |
| 1988 | 652 |
| 1989 | 633 |
| 1990 | 692 |
| 1991 | 767 |
| 1992 | 724 |
| 1993 | 845 |
| 1994 | 809 |
| 1995 | 821 |
| 1996 | 862 |
| 1997 | 997 |
| 1998 | 951 |
| 1999 | 1070 |
| 2000 | 941 |
| 2001 | 990 |
| 2002 | 1108 |
| 2003 | 1254 |
| 2004 | 1442 |
| 2005 | 1580 |
| 2006 | 1856 |
| 2007 | 2004 |
| 2008 | 2160 |
| 2009 | 2343 |
| 2010 | 2578 |
| 2011 | 2923 |
| 2012 | 3250 |
| 2013 | 3771 |
| 2014 | 4108 |
| 2015 | 4494 |
| 2016 | 4610 |
| 2017 | 4847 |
| 2018 | 5046 |
| 2019 | 5249 |
| 2020 | 4477 |
| 2021 | 2003 |