Table 4. Percentage of Women with Breast Cancer Receiving Adjuvant Chemotherapy and Hormone Therapy by the Receipt of Axillary Node Dissection, Radiation Therapy, and Year of Diagnosis.

Year of diagnosis	Chemotherapy plus hormone therapy	Chemotherapy alone	Hormone therapy alone	No adjuvant therapy	Number of cases (%)
1991	17.0	13.2	24.9	44.9	666 (100.0)
1992	12.4	17.4	28.8	41.5	709 (100.0)
1993	10.4	20.7	22.5	46.4	644 (100.0)
1994	7.4	22.8	18.6	51.3	721 (100.0)
1995	7.3	20.4	21.6	50.7	779 (100.0)
1996	6.0	18.1	21.2	54.6	811 (100.0)
1997	8.0	21.1	21.0	49.8	771 (100.0)
Total	9.6	19.2	22.6	48.7	5101 (100.0)