In 2017, the increase in referrals concerning health institutions observed in 201648 is continuing, with such referrals still accounting for 10% of the total. The proportion of referrals from the people concerned remains high (246 letters received versus 231 in 2016, which represents a 6.49% increase). The increase in referrals concerning immigration detention is also continuing, with associations remaining the main source (101 letters received versus 68 in 2016, which represents a 48.53% increase). With respect to penal institutions, the proportion of referrals sent by detainees remains the same as in 2016 (2,261 letters) while the proportion of referrals sent by associations is slightly up (126 letters received versus 112 in 2016, which represents a 12.5% increase). 1,33% Personne concernée 0,90% 4,11% Famille, proches 4,64% 6,52% Association Avocat 11,79% Autres (codétenus, intervenants, personnels...) Autorité administrative indépendante Médecins, personnel médical 70,71% Statistics drawn up on the basis of the letters received as a whole49 Category of persons referring cases to the inspectorate 2011 2012 2013 2014 2015 2016 2017 Person concerned 77.61% 77.90% 75.57% 71.10% 73.42% 69.92% 70.71% Family, relatives 9.37% 10.94% 12.81% 13.04% 10.75% 12.5% 11.79% Association 3.02% 2.97% 2.93% 4.39% 4.29% 5.18% 6.52% Lawyer 2.85% 3.68% 2.58% 3.49% 4.70% 4.61% 4.64% Independent government agency 0.79% 0.81% 0.96% 1.79% 1.40% 2.16% 1.33% Physicians, medical staff 1.24% 0.76% 1.20% 1.25% 0.70% 1.45% 0.90% Other (fellow prisoner, participant, private individual, etc.) 5.12% 2.94% 3.95% 4.94% 4.74% 4.18% 4.11% Total 100% 100% 100% 100% 100% 100% 100% 48 Most of the data for 2016 comes from the press pack on the 2016 annual report, which establishes the actual figures for the year in question (since most of the datasets from the annual report are extrapolations over the year, the statistics are based on data for the first eleven months of the year). 49 This table does not present the statistics drawn up in 2009 and 2010, which were based on the 1 st referral letter and not on all of the letters received. 116