26.355



                                     1969


                                    58.642


                                    29.720



                                     1970


                                    55.018


                                    27.042



                                     1971


                                    70.278


                                    34.555



                                     1972


                                    65.828


                                    28.420



                                     1973


                                    36.357


                                    17.345



                                     1974


                                    23.888


                                    10.928



                                     1975


                                    26.182


                                    11.882



                                     1976


                                    25.578


                                    10.796



                                     1977


                                    30.926


                                    17.476



                                     1978


                                    31.636