Growth-in Call Volume

                                    Year                            Calls                                Miles

                                    1951                            136                                  3,126

                                       1956                            161                                  2,263

                                       1961                            253                                  3,032

                                       1966                            411                                  6,408

                                       1971                            523                                  8,580

                                       1976                            680                                10,900

                                       1981                            967                                11,487

                                       2001                          1485                             Not Kept