-<term><name>2000</name><frequency>48</frequency></term>
-<term><name>1999</name><frequency>20</frequency></term>
-<term><name>2001</name><frequency>14</frequency></term>
-<term><name>1998</name><frequency>11</frequency></term>
+<term><name>2000</name><frequency>47</frequency></term>
+<term><name>2001</name><frequency>20</frequency></term>
+<term><name>1999</name><frequency>16</frequency></term>
+<term><name>1998</name><frequency>10</frequency></term>
+<term><name>1977</name><frequency>3</frequency></term>
+<term><name>1971</name><frequency>2</frequency></term>
+<term><name>1974</name><frequency>2</frequency></term>
+<term><name>1980</name><frequency>2</frequency></term>
+<term><name>1987</name><frequency>2</frequency></term>
+<term><name>1991</name><frequency>2</frequency></term>
+<term><name>1992</name><frequency>2</frequency></term>
+<term><name>1993</name><frequency>2</frequency></term>