The Belgium extension did not have one sale make it in the top 100 reported cctld sales last year.
Yesterday sales at Sedo included
relatiegeschenk.be (18,100 EUR) Promotional item looks to be the rough translation to English
meubels.be (8,599 EUR)
The Netherlands had 1 sale in the top 100 last year, that name Kortingen.nl sold for 21,952 Euros well that was almost matched by hoekbank.nl (21,002 EUR) The domain was registered in 2005.
The one letter domain of C.gy sold for $1750 not quite matching the one letter K.to for $40,000. Which sold earlier in the week.