diff --git a/lecture-data/brokers.csv b/lecture-data/brokers.csv
new file mode 100644
index 0000000..0450936
--- /dev/null
+++ b/lecture-data/brokers.csv
@@ -0,0 +1,11 @@
+Broker,Accounts,MarketShare,Assets
+Charles Schwab,2500,27.5,219
+E*Trade,909,12.9,21.1
+TD Waterhouse,615,11.6,38.8
+Datek,205,10,5.5
+Fidelity,2300,9.3,160
+Ameritrade,428,8.4,19.5
+DLJ Direct,590,3.6,11.2
+Discover,134,2.8,5.9
+Suretrade,130,2.2,1.3
+National Discount Brokers,125,1.3,6.8