Table 2 Number of telephone calls (10 million) from the Belgium.
From: Enhancing performance in the presence of outliers with redescending M-estimators
Years | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 |
|---|---|---|---|---|---|---|---|---|
Calls | 0.440 | 0.470 | 0.470 | 0.590 | 0.660 | 0.730 | 0.810 | 0.880 |
Years | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 |
Calls | 1.060 | 1.200 | 1.350 | 1.490 | 1.610 | 2.120 | 11.90 | 12.40 |
Years | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 |
Calls | 14.20 | 15.90 | 18.20 | 21.20 | 4.300 | 2.400 | 2.700 | 2.900 |
