Fiscal
Fiscal
Fiscal
2019
2018
2017
Transportation Solutions
58 %
59 %
58 %
Industrial Solutions
30
28
29
Communications Solutions
12
13
13
Total
100 %
100 %
100 %
segments .
we operate through three reportable segments : transportation solutions industrial solutions and communications solutions .
we believe our segments serve a combined market of approximately $ 190 billion .
our net sales by segment as a percentage of our total net sales were as follows : .
below is a description of our reportable segments and the primary products markets and competitors of each segment .
transportation solutions the transportation solutions segment is a leader in connectivity and sensor technologies .
the primary products sold by the transportation solutions segment include terminals and connector systems and components sensors antennas relays application tooling and wire and heat shrink tubing .
the transportation solutions segment ’ s products which must withstand harsh conditions are used in the following end markets : .
• automotive -73 % of segment ’ s net sales — we are one of the leading providers of advanced automobile connectivity solutions .
the automotive industry uses our products in automotive technologies for body and chassis systems convenience applications driver information infotainment solutions miniaturization solutions motor and powertrain applications and safety and security systems .
hybrid and electronic mobility solutions include in-vehicle technologies battery technologies and charging solutions .
• commercial transportation -15 % of segment ’ s net sales — we deliver reliable connectivity products designed to withstand harsh environmental conditions for on- and off-highway vehicles and recreational transportation including heavy trucks construction agriculture buses and other vehicles .
• sensors -12 % of segment ’ s net sales — we offer a portfolio of intelligent efficient and high-performing sensor solutions that are used by customers across multiple industries including automotive industrial equipment commercial transportation medical solutions aerospace and defense and consumer applications .
the transportation solutions segment ’ s major competitors include yazaki aptiv sumitomo sensata honeywell molex and amphenol .
industrial solutions the industrial solutions segment is a leading supplier of products that connect and distribute power data and signals .
the primary products sold by the industrial solutions segment include terminals and connector systems and components heat shrink tubing relays and wire and cable .
the industrial solutions segment ’ s products are used in the following end markets : .
• industrial equipment -49 % of segment ’ s net sales — our products are used in factory automation and process control systems such as industrial controls robotics human machine interface industrial communication and power distribution .
our intelligent building products are used to connect lighting hvac elevators / escalators and security .
our rail products are used in high-speed trains metros light rail vehicles locomotives and signaling switching equipment .
our products are also used by the solar industry .
the medical industry uses our products in imaging diagnostic surgical and minimally invasive interventional applications .
• aerospace defense oil and gas -33 % of segment ’ s net sales — we design develop and manufacture a comprehensive portfolio of critical electronic components and systems for the harsh operating conditions of the aerospace defense and marine industries .
our products and systems are designed and manufactured to operate effectively in harsh conditions ranging from the depths of the ocean to the far reaches of space .
• energy -18 % of segment ’ s net sales — our products are used by oems and utility companies in the electrical power industry and include a wide range of solutions for the electrical power generation transmission distribution and industrial markets .
the industrial solutions segment competes primarily against amphenol belden hubbell carlisle companies 3m integer holdings esterline molex and phoenix contact .
communications solutions the communications solutions segment is a leading supplier of electronic components for the data and devices and the appliances markets .
the primary products sold by the communications solutions segment include terminals and connector systems and components relays heat shrink tubing and antennas .
the communications solutions segment ’ s products are used in the following end markets : .
• data and devices -59 % of segment ’ s net sales — we deliver products and solutions that are used in a variety of equipment architectures within the networking equipment data center equipment and wireless infrastructure industries .
additionally we deliver a range of connectivity solutions for the internet of things smartphones tablet computers notebooks and virtual reality applications to help our customers meet their current challenges and future innovations .
• appliances -41 % of segment ’ s net sales — we provide solutions to meet the daily demands of home appliances .
our products are used in many household appliances including washers dryers refrigerators air conditioners dishwashers cooking appliances water heaters air purifiers floor care devices and microwaves .
our expansive range of standard products is supplemented by an array of custom-designed solutions .
the communications solutions segment ’ s major competitors include amphenol molex jst and korea electric terminal -ket .

Question: In which year was the percentage of industrial solutions the lowest in?
Answer: 2018