diff --git a/asterix-app/data/csv/sample_01.csv b/asterix-app/data/csv/sample_01.csv
index 4dd437a..fbba382 100644
--- a/asterix-app/data/csv/sample_01.csv
+++ b/asterix-app/data/csv/sample_01.csv
@@ -1,8 +1,8 @@
-1,0.899682764,5.6256,2013-08-07,07:22:35,1979-02-25T23:48:27.034
-2,0.669052398,,-1923-03-29,19:33:34,-1979-02-25T23:48:27.002
-3,0.572733058,192674,-1923-03-28,19:33:34,-1979-02-25T23:48:27.001
-4,,192674,-1923-03-27,19:33:34,-1979-02-25T23:48:27.001
-5,0.572733058,192674,,19:33:34,-1979-02-25T23:48:27.001
-6,0.572733058,192674,-1923-03-25,,-1979-02-25T23:48:27.001
-7,0.572733058,192674,-1923-03-24,19:33:34,
+1,0.899682764,5.6256,2013-08-07,07:22:35,1979-02-25T23:48:27.034
+2,0.669052398,,-1923-03-29,19:33:34,-1979-02-25T23:48:27.002
+3,0.572733058,192674,-1923-03-28,19:33:34,-1979-02-25T23:48:27.001
+4,,192674,-1923-03-27,19:33:34,-1979-02-25T23:48:27.001
+5,0.572733058,192674,,19:33:34,-1979-02-25T23:48:27.001
+6,0.572733058,192674,-1923-03-25,,-1979-02-25T23:48:27.001
+7,0.572733058,192674,-1923-03-24,19:33:34,
 8,,,,,
\ No newline at end of file