4.1 Analysis of the cases referred to the CGLPL in 2017 4.1.1 The letters received Overall volume of the number of letters sent to the CGLPL per year The number of case referrals is relatively stable compared with 2016 (-1.1%). Out of the letters of referral as a whole received between 1 January and 31 December 2017, an average of two letters (2.06) concerned the same person’s situation. 4500 4077 4000 4125 4068 3868 3788 3500 3664 3622 2016 2017 3276 3000 2500 2000 1500 1272 1000 500 192 0 2008 (4 mois) 2009 2010 2011 2012 2013 2014 2015 Monthly trends of numbers of letters received43 425 450 400 363 354 361 366 355 360 322 350 300 337 350 352 284 365 318 250 299 286 301 319 300 279 312 291 312 240 200 150 100 45 55 60 51 60 47 60 43 43 50 59 40 44 0 saisines 43 retours enquête total The number of letters received corresponds to the cases referred to the CGLPL, as well as the responses made by the authorities with which the CGLPL took these cases up within the context of verifications.