Aanbestedingen na 31-10-1971(1)
	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
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	7.454
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	7.457
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	7.460
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	7.437
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	7.431
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	7.460
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	7.481
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	7.037	7.395
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	7.151	7.371
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	7.075	7.333
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	7.127	7.361
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	7.259	7.398
(1) Aanbestedingen voor 1-11-71: bovenvermelde waarden van I + 29.