2.025,2



                                     1968


                                    1.406,0


                                     257,0


                                     214,5


                                    2.008,5



                                     1969


                                    1.440,0


                                     266,0


                                     231,9


                                    2.068,6



                                     1970


                                    1.476,0


                                     275,0


                                     261,3


                                    2.141,0



                                     1971


                                    1.513,0


                                     287,0


                                     275,5


                                    2.212,9



                                     1972


                                    1.540,0


                                     310,0


                                     269,2


                                    2.263,5



                                     1973


                                    1.561,0


                                     340,0


                                     284,3


                                    2.390,9