[v1.13.0]Updated changelog

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## 1.13.0 - 2020-04-XX
+## Added
+- Added 2019 data
+
 ## 1.12.6 - 2020-02-02
 ## Changed
 - Fix teacher education mod dimension