-<p><img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-sh-top.png" width="49%" /> <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-sh-bottom.png" width="49%" /><br/>
-<img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-yts-top.png" width="49%" /> <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-yts-bottom.png" width="49%" /><br/>
-<img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-ukrfnlge-top.png" width="49%" /> <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-ukrfnlge-bottom.png" width="49%" /><br/>
-<img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-apidomain-top.png" width="49%" /> <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-apidomain-bottom.png" width="49%" /></p>
+<p align="center">
+ <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-sh-top.png" width="40%" />
+ <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-sh-bottom.png" width="40%" />
+ <br/>
+ <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-yts-top.png" width="40%" />
+ <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-yts-bottom.png" width="40%" />
+ <br/>
+ <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-ukrfnlge-top.png" width="40%" />
+ <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-ukrfnlge-bottom.png" width="40%" />
+ <br/>
+ <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-apidomain-top.png" width="40%" />
+ <img src="http://people.skolelinux.org/pere/blog/images/2017-12-20-histogram-year-apidomain-bottom.png" width="40%" />
+</p>