Aanbestedingen na 31-10-1971(1)
	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010
jan.	3.601	3.644	3.846	3.777	3.864	3.902	3.829	3.953	4.124	4.094	4.235	4.471	4.842	5.401	6.599	6.823	6.461	6.585
febr.	3.627	3.667	3.845	3.815	3.897	3.898	3.841	3.951	4.159	4.107	4.323	4.603	4.968	5.490	6.621	6.921	6.330	6.601
maart	3.628	3.659	3.843	3.821	3.896	3.903	3.834	4.035	4.163	4.134	4.323	4.786	5.011	5.560	6.692	7.027	6.223	6.927
april	3.626	3.661	3.837	3.822	3.892	3.906	3.851	4.033	4.172	4.152	4.286	4.865	4.998	5.689	6.731	7.214	6.282	7.235
mei	3.624	3.671	3.835	3.826	3.888	3.903	3.871	4.057	4.218	4.177	4.267	4.894	4.955	5.891	6.783	7.332	6.373	7.216
juni	3.625	3.715	3.841	3.809	3.891	3.898	3.873	4.067	4.214	4.178	4.273	4.848	4.981	5.903	6.774	7.477	6.396	7.015
juli	3.631	3.716	3.805	3.800	3.894	3.897	3.893	4.072	4.151	4.179	4.285	4.838	5.038	6.033	6.785	7.376	6.385	6.882
aug.	3.631	3.762	3.802	3.798	3.919	3.859	3.947	4.124	4.124	4.184	4.370	4.894	5.162	6.388	6.724	7.293	6.505	-
sept.	3.622	3.774	3.786	3.804	3.954	3.837	3.948	4.159	4.118	4.182	4.420	4.940	5.261	6.430	6.653	7.061	6.554	-
okt.	3.625	3.781	3.768	3.827	3.949	3.806	3.944	4.140	4.088	4.166	4.429	4.936	5.271	6.567	6.679	6.743	6.462	-
nov.	3.627	3.800	3.777	3.835	3.913	3.853	3.959	4.118	4,045	4.189	4.414	4.873	5.251	6.561	6.721	6.590	6.483	-
dec.	3.637	3.818	3.777	3.838	3.909	3.832	3.980	4.099	4.025	4.210	4.403	4.821	5.289	6.541	6.625	6.457	6.526	-
(1) Aanbestedingen voor 1-11-71: bovenvermelde waarden van I + 29.