Add submissions/2018-04 (24 shards, 12.0M rows)

data/submissions/2018/04/010.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:86981bebf198a62e0b8c39f9c2b6881fe1d6795f6e7d08ecdf0fe4358f6ab064
+size 63752907

data/submissions/2018/04/011.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:df8392f64c3ddfbeb14a0e1149cb866afbf27215456d642b962fd43d823cb9e1
+size 62583864

data/submissions/2018/04/012.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aa074eda8eb706cbe5ef1a98c848370070357e1d056c86f8455902d229e81a83
+size 64347155

data/submissions/2018/04/013.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c304c46cdc34acb81d9cd90e9269b13c8d121b53a5ed2a1a490704831109559f
+size 65356637

data/submissions/2018/04/014.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:07cbdebdb14b769e71960fb5707591dd170cee8afa79aa2ee84b750c9041bc44
+size 64721623

data/submissions/2018/04/015.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:32d02a152b692391a88d47f2491c43ef8acd599599c092ff9c400c55ebe1ba51
+size 64038684

data/submissions/2018/04/016.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c1788c271347fa33c372875f61d69388933a8e1be2023ac0fd6128a0d78d55cb
+size 62915163

data/submissions/2018/04/017.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4bfccb7eb1a4dc2fbb59bc569ceb28c1617476941ff44a9d90732199ea6cb86b
+size 64190863

data/submissions/2018/04/018.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3c1f844b66d0065c147e44ee6986c2abb7fb4341608587eb9321559c305c42c1
+size 64306084

data/submissions/2018/04/019.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:93d2c6e87c7f0cc94d4b7d353356134bfd60ab40437cf298cc9de12958fc629f
+size 65401673