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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1946 | 1 |
| 1951 | 1 |
| 1952 | 4 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 5 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 3 |
| 1960 | 5 |
| 1961 | 9 |
| 1962 | 4 |
| 1964 | 3 |
| 1965 | 18 |
| 1966 | 49 |
| 1967 | 95 |
| 1968 | 74 |
| 1969 | 67 |
| 1970 | 80 |
| 1971 | 72 |
| 1972 | 91 |
| 1973 | 72 |
| 1974 | 88 |
| 1975 | 111 |
| 1976 | 109 |
| 1977 | 122 |
| 1978 | 120 |
| 1979 | 137 |
| 1980 | 90 |
| 1981 | 88 |
| 1982 | 124 |
| 1983 | 90 |
| 1984 | 108 |
| 1985 | 125 |
| 1986 | 87 |
| 1987 | 129 |
| 1988 | 129 |
| 1989 | 124 |
| 1990 | 95 |
| 1991 | 122 |
| 1992 | 136 |
| 1993 | 153 |
| 1994 | 148 |
| 1995 | 187 |
| 1996 | 223 |
| 1997 | 187 |
| 1998 | 207 |
| 1999 | 309 |
| 2000 | 248 |
| 2001 | 271 |
| 2002 | 245 |
| 2003 | 217 |
| 2004 | 222 |
| 2005 | 233 |
| 2006 | 340 |
| 2007 | 258 |
| 2008 | 281 |
| 2009 | 275 |
| 2010 | 296 |
| 2011 | 353 |
| 2012 | 257 |
| 2013 | 249 |
| 2014 | 287 |
| 2015 | 241 |
| 2016 | 231 |
| 2017 | 189 |
| 2018 | 162 |
| 2019 | 154 |
| 2020 | 128 |
| 2021 | 68 |
| 2022 | 2 |
| 2023 | 10 |
| 2024 | 63 |
| 2025 | 78 |