| 2018 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2017 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2016 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2015 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2014 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2013 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2012 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2011 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2010 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2009 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2008 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2007 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2006 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2005 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2004 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2003 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2002 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
| 2001 | Jan | Feb | Mrt | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec |
Koch Nitrogen Company Expands ISNetworld’s Chemical Industry User Base
