Agrcultural Census Work on the operation Number of operations by studies carried out by the operation manager Unidades: number A. U. operations Total operations Training of operation manager: exclusively practical experience Training of operation manager: agricultural professional training Training of operation manager: agricultural university training Training of operation manager: other agricultural training All operations 989.796 838.042 24.463 15.148 112.143 Operations without lands 18.194 14.931 536 311 2.416 Operations with lands 971.602 823.111 23.927 14.837 109.727 Operations without UAA 4.309 3.316 164 137 692 Operations with UAA 967.293 819.795 23.763 14.700 109.035 < 1 81.639 72.052 1.070 618 7.899 1 to < 2 188.644 169.986 1.930 1.088 15.640 2 to < 5 232.799 207.006 3.023 1.797 20.973 5 to < 10 141.854 122.797 2.756 1.580 14.721 10 to < 20 110.964 91.442 3.452 1.667 14.403 20 to < 30 53.009 41.524 2.313 1.075 8.097 30 to < 50 54.731 41.259 2.889 1.418 9.165 50 to < 100 52.467 38.429 3.120 1.878 9.040 >=100 51.186 35.300 3.210 3.579 9.097 Notas: Fuente: National Statistics Institute