Eli Lilly and Company is one of the world's leading pharmaceutical groups. Net sales break down by therapeutic field as follows: - endocrinology (65.5%): products for treating osteoporosis, diabetes, and growth problems; - oncology (19.4%); - immunology diseases (9.8%); - neurology (3.3%): primarily drugs used in treating depression and schizophrenia; - other (2%). Net sales are distributed geographically as follows: the United States (67.4%), Europe (15.4%), Japan (4%), China (3.7%) and other (9.5%).