13.378



                                     1970


                                    101.583


                                     9.498



                                     1971


                                    136.183


                                    13.330



                                     1972


                                    112.760


                                    13.084



                                     1973


                                    51.551


                                     7.283



                                     1974


                                    51.164


                                     5.520



                                     1975


                                    51.403


                                     6.603



                                     1976


                                    46.076


                                     7.066



                                     1977


                                    44.521


                                     8.113



                                     1978


                                    43.848


                                     8.535



                                     1979


                                    46.760